243311133111304 has 8 divisors (see below), whose sum is σ = 456208374583710. Its totient is φ = 121655566555648.

The previous prime is 243311133111289. The next prime is 243311133111313. The reversal of 243311133111304 is 403111331113342.

It can be written as a sum of positive squares in only one way, i.e., 242942161906404 + 368971204900 = 15586602^2 + 607430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15206945819449 + ... + 15206945819464.

Almost surely, 2^{243311133111304} is an apocalyptic number.

It is an amenable number.

243311133111304 is a deficient number, since it is larger than the sum of its proper divisors (212897241472406).

243311133111304 is a wasteful number, since it uses less digits than its factorization.

243311133111304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30413891638919 (or 30413891638915 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 243311133111304 its reverse (403111331113342), we get a palindrome (646422464224646).

The spelling of 243311133111304 in words is "two hundred forty-three trillion, three hundred eleven billion, one hundred thirty-three million, one hundred eleven thousand, three hundred four".